The proposed peatland restoration site at Harwood is located approximate 1.3 km from the re-stock flux tower at Harwood Forest, which means the wind data used for this analysis are most representative of the condition on site.
We used direct measurements from our flux site over 2015 to calculate the footprint. Similar to previous analysis, we used the Kormann and Meixne (2001) model with friction velocity, zero plane displacement, Monin-Obukhov length ans stability and standard deviation of the wind y-vector all derived from real measurements.
Two “scenarios” were investigated; two and three meter instrument installation with a 500 m fetch. We also looked at a wind rose to identify prevailing wind direction. Finally, footprints were plotted on Google Maps satellite imagery for better visualising the area of measurement.
A wind rose plot showed the prevailing wind is from West, West-South-West direction. Instruments should be installed to reflect that. The most common wind speed is between 2-4 m/s.